Top 2481 Linux systems administrator Jobs

Senior Linux Systems Administrator
Computational Physics, Inc. —Washington, DC
- $140,000 - $165,000 a year
- Online Application
- Hybrid work
- 5 years
- Bachelor's degree
- Senior level
- Profit sharing
- Disability insurance
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System Administrator
CAI —Remote
- $60,000 - $660,000 a year
- Full-time
- Remote
- Mid-level
- Commercial
- Health insurance
- Dental insurance
Linux Systems Administrator
General Dynamics Information Technology —Annapolis Junction, MD
- $148,750 - $201,250 a year
- Windows
- Senior level
- No travel
- Paid time off
- 401(k) matching
SA054 Junior Linux System Administrator
ADNET Systems, Inc. —Greenbelt, MD
- Ability to lift 50 pounds
- Power tools
- Hand tools
- Paid holidays
- Disability insurance
Quick Apply
Cloud and Infrastructure Systems Administrator - Linux admin
CACI —Denver, CO
- $82,700 - $173,900 a year
- Full-time
- 7 years
- Computer Science
- DevOps
- Health insurance
Systems Administrator (Linux/Microsoft)
Victor 12, Inc. —Remote
- Remote
- Azure
- 6 years
- English
- Paid holidays
- Disability insurance
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Linux Systems Administrator (Part-time)
Savi Gurus —St. Louis, MO
- Part-time
- Remote
- Senior level
Quick Apply
NIH - Linux Systems Administrator / Systems Engineer
cFocus Software Incorporated —Remote
- Full-time
- Remote
- Computer Science
- Inventory management
- Bachelor of Science
Quick Apply
8d
IT Systems & Cloud Administrator
Rigel Pharmaceuticals, Inc. —Remote
- $100,000 - $135,000 a year
- Full-time
- Computer science
- Mid-level
- 3 years
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Linux Systems Administrator
Trevity LLC —Springfield, VA
- Full-time
- Mid-level
- AWS
- Mentoring
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NIH - Linux Systems Administrator
cFocus Software Incorporated —Remote
- Full-time
- Computer Science
- Bachelor of Science
- Bachelor's degree
Quick Apply
8d
Senior Systems Administrator
PBS Radiology Business Experts —Remote
- Full-time
- Remote
- 5 years
- Windows
- Mentoring
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Level 2 NOC Systems Administrator – Linux/Unix Focus
Unisys —Remote
- Full-time
- Bachelor of Science
- Mid-level
- Bachelor's degree
Senior Linux Systems Administrator
MindGadget —Sunnyvale, CA
- Contract
- Senior level
- Python
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Systems Administrator
BetterHealth: A Planned Parenthood Partnership —Remote
- $79,300 - $87,100 a year
- Full-time
- Remote
- Writing skills
- Research
- Mid-level
Linux Administrator - REMOTE
Two95 International Inc. —Harrisburg, PA
- Contract
- In-person
- Entry level
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Linux Administrator / Systems Tester
Liieren —Bridgewater, NJ
- Computer Science
- Research
- Mid-level
Linux Systems Administrator
BAE Systems Inc. —Alexandria, VA
- $97,008 - $164,914 a year
- Full-time
- Remote
- Customer service
- Mid-level
- Analysis skills
- Health savings account
- Paid holidays
4d
RedHat Linux Systems Administrator
Fuse Engineering LLC —Fort Meade, MD
- Mid-level
Linux Administrator
T-Rex Solutions —Washington, DC
- $75,000 - $112,000 a year
- On call
- Remote
- HIPAA
- Mid-level
- Master's degree
- Paid parental leave
- Health insurance
Quick Apply

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Senior Linux Systems Administrator

Computational Physics, Inc. -
Washington, DC

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Job Details

Full-time
$140,000 - $165,000 a year

Benefits

Profit sharing
Disability insurance
Dental insurance
401(k)
Flexible spending account
Tuition reimbursement
Paid time off
Parental leave
Vision insurance
Employee stock ownership plan
Opportunities for advancement
Flexible schedule
Life insurance

Qualifications

Authentication
Endpoint Security
Systems integration
Vulnerability scanning implementation
Linux support
IT system monitoring
Configuration management
Endpoint Detection and Response (EDR)
System maintenance
Virtualization tools
Patch management
Bachelor's degree
Vulnerability scanning
Server virtualization
Monitoring system implementation
System deployment
Storage management (system administration)
Network monitoring tools
CompTIA Security+
Linux administration
Security system management
IT security monitoring

Full Job Description

Computational Physics, Inc. (CPI) is seeking a Senior Linux System Administrator to support our customers at the United States Naval Observatory (USNO) in the deployment and maintenance of its precise timing and astrometry networks.

The USNO is responsible for the production and dissemination of precise parameters concerning time, star positions, and the earth's rotation to the Department of Defense (DoD) and intelligence community, other U.S. Government (USG) users such as NASA and the National Oceanic and Atmospheric Administration (NOAA), as well as non-USG civilian and international users. Distribution of these parameters supports GPS navigation, among other applications, an important national and international function. A reliable, secure, maintainable and manageable USNO network is crucial to the production and dissemination of these data products.

The position will be located at the U.S. Naval Observatory in Washington D.C. Partial telework may be permitted in accordance with applicable Navy and Observatory guidance in effect at the time.

Required Qualifications

Seven (7) or more years of industry experience
Five (5) or more years of experience as a Linux System Administrator Experience managing, configuring, and patching
Red Hat Enterprise Linux (RHEL) systems Experience applying STIGs and remediating vulnerabilities identified by ACAS or similar security tools Experience supporting systems in virtualized environments (e.g., VMware vSphere)
Experience integrating systems with monitoring and alerting platforms (e.g., SolarWinds, AIDE)
Experience configuring and managing centralized authentication services (e.g., Active Directory, Centrify, FreeIPA/IdM)
Experience installing and maintaining endpoint security tools (e.g., Trellix/McAfee, Microsoft Defender for Endpoint)
Experience configuring and managing centralized logging solutions (e.g., rsyslog, SIEM integrations)
Experience administering Linux systems using configuration management tools (e.g., Ansible, Puppet)
Experience with DoD cybersecurity policies and frameworks is highly desirable

EducationCertifications

Bachelor's degree in IT, CS, or related field
CompTIA Security+ CE
Active Top Secret Security clearance

Preferred Qualifications

Strong troubleshooting skills across system, network, and storage layers
Experience configuring and troubleshooting SELinux
Experience managing RHEL lifecycle and patching using tools such as Red Hat Satellite or equivalent
Experience with container technologies (e.g., Podman, Docker)
Strong understanding of Linux networking (e.g., firewalld/nftables, DNS, routing, VLANs)
Experience with modern monitoring and observability platforms (e.g., Prometheus, Grafana, ELK)
Experience managing Linux storage (e.g., LVM, XFS, NFS, multipath) Experience developing and maintaining
Ansible playbooks/roles and using version control (e.g., Git)
Experience supporting compliance frameworks (e.g., RMF, STIG checklists, POA&M development)

U.S. citizenship is required for DoD contracts.

About CPI

We love science! We study the physical properties of the Earth and our atmosphere, neighboring planets, and the sun. We make the study of science practical by translating our findings into products, both hardware and software, that make our customer's lives easier and better. CPI has served various U.S. Government agencies, universities, international science organizations, prime contractors, as well as commercial customers for 40 years.

CPI is an employee-owned company - our team members receive company stock. Employee ownership motivates and empowers increased productivity, contribution to the longevity of the business, improved retention, and enhanced employee engagement.

Why Work for Us?

Competitive salary and comprehensive benefits
Positive, upbeat, and transparent company culture with opportunities for self-development and career advancement
Employee-owned small business that allows team members to learn from each other and take ownership
Professional development support including conference attendance and certification training

Benefits

401(k), Profit Sharing and an Employee Stock Ownership Plan (ESOP)
Disability insurance (short-term and long-term)
Flexible schedule
Flexible spending account
Health, Dental, and Vision insurance
Life insurance
Paid time off
Parental Leave
Tuition reimbursement

To apply please visit our careers page.

CPI is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to sex, gender identity, sexual orientation, race, color, religion, national origin, disability, protected Veteran status, age, or any other characteristic protected by law.

If you need a reasonable accommodation for any part of the employment process, please contact us and let us know the nature of your request and your contact information. Requests for accommodation will be considered on a case-by-case basis.

Quick Apply

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